High-field cyclotron resonance and valence-band structure in semiconducting diamond

作者: J. Kono , S. Takeyama , T. Takamasu , N. Miura , N. Fujimori

DOI: 10.1103/PHYSREVB.48.10917

关键词: Molecular physicsOpticsCyclotron resonanceEffective mass (solid-state physics)Excited stateCircular polarizationMaterials scienceDiamondMagnetic fieldAbsorption spectroscopyElectronic band structure

摘要: The cyclotron resonance of thermally excited free holes has been observed in synthetic semiconducting diamond at ultrahigh magnetic fields up to 150 T generated by the single-turn-coil technique with pulsed far-infrared laser radiations 28, 36, and 119 μm. Three absorption peaks were above room temperature for parallel , crystallographic directions. typical value ω c t was as small 2 40 o C even fields. One three cyclotron-resonance inactive circular polarization holes, while other two lines active

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